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Paper Abstract and Keywords
Presentation 2008-03-07 10:25
The validation of FAR's performance used for the EMI measurement by using the fixed dipole antenna
Ikuya Minematsu (KEC), Masaru Yoshiwara (RIKEN ENVIRONMENTAL SYSTEM), Toshimichi Omori (Intertek Janpan), Eizo Hariya (KEC), Osami Wada (Kyoto University) EMCJ2007-119
Abstract (in Japanese) (See Japanese page) 
(in English) In the draft standard CISPR 32 for the multimedia devices, the use of FAR has been proposed as the test place for the radiated emissions measurement in the frequency range of 30MHz to 1GHz. In this paper, we have reported the experimental results of free space propagation loss to validate the FAR performance, which was required in the CISPR16-1-4, by using the fixed dipole antenna on ideal OATS.
Because obtaining the free space environment is difficult actually, the CISPR 16-1-4 requires the site attenuation data on the ideal OATS as the reference for the free space condition. This measurement should be performed under that the TX/RX antennas are set at the height of 8/3 times of the measurement distance and with the vertical polarization above the ground. We have investigated the free space propagation loss by comparing the result under the CISPR specification and the theoretical calculation for the fixed dipole measurement by the method of moment (NEC2). The measurement results were close to the theoretical calculations within ±1 dB for 30 MHz to 300 MHz and ±2.0 dB for 300 MHz to 1000 MHz. And also the evaluation result of actual FAR was close to the theoretical calculations within ±3 dB. Above results, the validation of FAR by using the fixed dipole antenna is theoretically and experimentally appropriate than the RSM (Reference Site Method) not specified yet clearly in CISPR16-1-4.
Keyword (in Japanese) (See Japanese page) 
(in English) FAR / Free space propagation loss / Fixed dipole antenna / CISPR32 / CISPR16-1-4 / RSM / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 533, EMCJ2007-119, pp. 13-18, March 2008.
Paper # EMCJ2007-119 
Date of Issue 2008-02-29 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ  
Conference Date 2008-03-07 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2008-03-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The validation of FAR's performance used for the EMI measurement by using the fixed dipole antenna 
Sub Title (in English)  
Keyword(1) FAR  
Keyword(2) Free space propagation loss  
Keyword(3) Fixed dipole antenna  
Keyword(4) CISPR32  
Keyword(5) CISPR16-1-4  
Keyword(6) RSM  
Keyword(7)  
Keyword(8)  
1st Author's Name Ikuya Minematsu  
1st Author's Affiliation Kansai Electronic Industry Development Center (KEC)
2nd Author's Name Masaru Yoshiwara  
2nd Author's Affiliation RIKEN ENVIRONMENTAL SYSTEM Co., Ltd. (RIKEN ENVIRONMENTAL SYSTEM)
3rd Author's Name Toshimichi Omori  
3rd Author's Affiliation Intertek Janpan K.K (Intertek Janpan)
4th Author's Name Eizo Hariya  
4th Author's Affiliation Kansai Electronic Industry Development Center (KEC)
5th Author's Name Osami Wada  
5th Author's Affiliation Kyoto University (Kyoto University)
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Speaker Author-1 
Date Time 2008-03-07 10:25:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2007-119 
Volume (vol) vol.107 
Number (no) no.533 
Page pp.13-18 
#Pages 6 
Date of Issue 2008-02-29 (EMCJ) 

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